Improved furnace for melting metals, glass



W'. P. PRIGKETT. Enamel: Fon MBLTING METALS, GLASS, am.

` No.v78,007. Patented May 19, 1868'.

Inf/awww. Wwlw@ UNITED STATES PATENT 1EIICE.

WILLIAM P. PRIGKETT, OF PHILADELPHIA, PENNSYLVANIA.

. IMPRovED FURNACE .Fon MELTING METALsfGLAssfcc.

Specification forming part of Letters Patent No. 78,007, dated May 19, 1868.

To all whom it may concern:

Be it known that I, WILLIAM P'.,PRI CKET'I1,

of Philadelphia, in the county of Philadelphia, in the State of Pennsylvania,h'ave invented a ner and Improved Furnace ffongMelting' Brass, Glass, or any material thatgismeltedin a pot or crucible and Ido hereby declare that the following is a fulllandjexact description thereof, reference be' companying lramri11gs--il J Figure l being a longitudinalsection 2, a horizontal section..

The nature of 'my invention consistsi'n providing the furnace with an inside base, around and above the fire, upon which the pots or crucib1es,rest, as A A A, Figs. 1 and 2,

and in making a small aperture directly behind the position of each pot or crucible, as B B B, Fig. 2, leading into asurrounding iue, from thence into the main stack; the object being to economize the heat of the coal consumed by forcing it to go through the said apertures, and consequently around and about each pot, as'shown by arrows in Fig. 2, thereby getting all the beneit of the heat and causing a great saving of coal.

To enable others skilled in the art to make and. use my invention, I will proceed to. de-

scribe its construction and operation.

to "the "ac-V' I constructmy furnace in any of the known forms, with grate, receptacle for coal, ashes,

lSrc., and around and 'above the fie I build a fbase suiiiciently wide for the pots or crucibles tofrest upon, and in the rear ot' each pot or crucible I make an aperture or iiue, which leads into a siurounding flue, obstructed at 'one end and the other communicating with 'the stack or chimney, said small apertures or flues increasing in size as they approach the obstructed end of the surrounding iue, in

WILLIAM P. PRIGKETT.

Witnesses:

WILLIAM H. CARMAN, JAMES H. OGDEN. 

